Katharine McPhee took over our TV sets once before during her unforgettable run on American Idol back in 2006. And now she’s at it again, with the staring role in NBC’s Smash! The dramatic new series features McPhee as Karen Cartwright, an up-and-coming performer with some serious star power who gets her first shot at the big time. Sound familiar? It’s the role Katharine was born to play! The show premiered last night to record breaking numbers, and we can’t wait to see what’s to come.

But that’s not the only reason Kat is on everyone’s lips today. Her sizzling photo shoot for the March issue of GQ hit stands today, and it’s adding fuel to the flames. Screw the Giants parade, Katharine McPhee officially owns the day as far as we’re concerned. Take a look at the gallery below for her 20 most “smashingly” hot looks. Enjoy!